问题
单项选择题
酸性介质大量泄漏进循环水中,必须加入()调整。
A.少量酸
B.大量酸
C.大量水
D.水量碱
答案
参考答案:B
酸性介质大量泄漏进循环水中,必须加入()调整。
A.少量酸
B.大量酸
C.大量水
D.水量碱
参考答案:B
完形填空。 | |||
This is a 1 of Tom’s family.This man 2 Mr. Smith. 3 is Tom’s father. 4 woman is Mrs.Smih. 5 is Tom’s mother. Who 6 this boy and 7 girl? The boy is Tom,Mr.Smith’s 8 . The 9 is Kae, Mr. Smith’s daughter. Kate is 10 sister. Tom and Kate are brother and sister. | |||
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